Question

An ice chest at a beach party contains 11cans of soda at 4° C. Each
can of sodahas a mass of 0.3 kg and a specific heatcapacity of 3500
J/(kg · C°).Someone adds a 6.4-kg watermelon at29° C to the chest.
The specific heatcapacity of watermelon is nearly the same as that
of water. Ignorethe specific heat capacity of the chest and
determine the finaltemperature T of the soda and
watermelon.